Engine costs and safety are always an issue.
The rib of Legends Cars (Dwarf Cars) have moved way beyond the current technology for Legends. Fuel injected, water cooled, 4 wheel disc brakes, quick change rear ends, etc... If you think the cost of an engine is expensive; Toss in the cost of whatever current hot engine; builds (or rebuilds); $1,600+ for a quick change rear end; Several sets of gears; 4 Wilwood calipers; brake pads (still can become very pricey). Tire rules vary from club to club or organization. Costs escalate very quickly. I must give INEX creadit for, at least , keeping the rules somewhat consistent. I don't agree with all the timing and discissions. Still a good series though. Good investments as far as racing goes.
Steve